Retired Sergeant R.J. Mitchell and Retired Lance Cpl. Alex Nicoll fight the boredom in Iraq by participating in mock chariot races. But if you look closely, you'll see there are 9 differences in this photo.

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You can hear more about their chariot race, and their tour in the Military, by tuning in to our ongoing series "American Heroes," airing Friday, April 13 on Special Report.

Check out FOXFan.com for more "American Heroes" web exclusives.